Hand Tap, Right Hand, Tap Style Plug, Size 5/8 In., Pitch 18, Material Carbon Steel, Uncoated Finish, Overall Length 3-13/16 In., Thread Length 1-13/16 In., Shank Dia. 0.480 In., Number of Flutes 4, Thread Type UNF, Pitch Diameter Limits H2, Standards USCTI